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Message: <blockquote data-quote="ceasar" data-source="post: 3365968" data-attributes="member: 26155">Dennis,All that theory by Holger about the AK prisms doesn't apply here for a number of reasons.  At $1000.00 per binocular do you expect Maven to put in SP Prisms that transmit 99%!  (By the way-who makes binoculars with SP prisms that transmit at the 99% level?)Maven wanted to offer a 7x binocular to go with the ones that were made for  them by Kamakura.   Where else would you put it?With the 8x42 and 10x42 B1 series just because they have SP prisms?  They have the same FOV now as the B1 8x42 has.  Their light transmission is 93.70% which is 2% brighter than the B1 8x42 with SP prisms.  Their mg frame weighs 33.25 ounces so it must have a lot of mg in it.  They also have a exit pupils of more than 6mm and ER of 18mm.Get real on this OK?  You get all of the above for around $1000.00 and you are complaining that you want them to have the specs of $2,500.00 binoculars.Wait till they come out and then see if they are worth $1000.00.Bob</blockquote>